A quick checklist for email deliverability. S.N
Item
Subitem
Checklist 1
Check the IP addresses of SMTP servers for blacklisting 2
Check the sending domain for blacklisting 3
Set the SPF record 4
Set the DKIM 5
Set the DMARC 6
Set the PTR / rDNS for sending IP address 7
Set A record for sending domain/sub-domain 8
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